body {
    font-family: 'Nunito Sans', sans-serif;
}

.contant-us {
    width: 100%;
    /* background-color: pink; */
}

.cu-box1 {
    padding-top: 70px;
}

.cu-box1 h1 {
    font-size: 42px;
    text-align: center;
}

.cu-box2 h3 {
    margin-bottom: 25px;
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 28px;
    color: #ff9900;
}

.cu-box3 {
    margin-bottom: 15px;
}

.cu-box3 span {
    font-family: 'icomoon';
    font-size: 2em;
}

.cu-box3 h4 {
    font-size: 1.4em;
    margin-bottom: .5em;
    margin-top: .4em;
}

.cu-box3 p {
    margin: 0;
    padding: 0;
    font-size: 15px;
    color: #999;
    letter-spacing: 1px;
}

.cu-box4 {
    padding: 30px;
    background-color: #f7f7f7;
}

.cu-box4 .put {
    width: 100%;
    margin-bottom: 20px;
    padding: 14px;
    border-radius: 5px;
    font-size: 16px;
    border: 1px solid #f7f7f7;
    box-shadow: 2px 2px 3px gray, -2px -2px 3px #fff;
}

.cu-box4 .put::placeholder {
    color: #555;
}

.cu-box4 textarea {
    padding: 15px;
    width: 100%;
    min-height: 200px;
    color: #555;
    resize: none;
    border: 1px solid #cac9c9;
}

.cu-box6 {
    margin: 40px 0;
}

@media screen and (max-width:768px) {
    .cu-box1 {
        padding-top: 0;
    }
    .cu-box6 {
        margin-top: 10px;
    }
    .cu-box2 h3 {
        text-align: center;
    }
    .cu-box1 h1 {
        font-size: 36px;
    }
    .cu-box2 h3 {
        font-size: 25px;
    }
}

@media screen and (min-width:1400px) and (max-width:1920px) {
    .cu-box1 h1 {
        font-size: 60px;
    }
    .cu-box2 h3 {
        font-size: 40px;
    }
    .cu-box3 span {
        font-size: 3em;
    }
    .cu-box3 h4 {
        font-size: 2.4em;
    }
    .cu-box3 p {
        font-size: 25px;
    }
    .cu-box4 .put {
        font-size: 26px;
        padding: 20px;
    }
    .cu-box4 textarea {
        font-size: 26px;
        min-height: 300px;
    }
}